Pencil sharpener



FIG. 1 is a diagrammatic perspective view of the pencil sharpener in full lines with a pencil shown in broken lines representing environmental association matter being for illustrative purposes only and forming no part of the claimed invention.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a top plan view of the pencil sharpener.

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a left side elevational view thereof, the right side view being a mirror image of the left side view. 

The ornamental design for a pencil sharpener, as shown and described. 